Hi Eric,
> Sorry for the silence - I was not quite sure how these things should
> be packaged in a test case as I found that I wasn't able to get any
> consistent errors. I've found the problem, however. I noticed in
> netstat that all the TCP connections to my server had the same PID
> even though they were from different browsers. I discovered that the
> PID belonged not to any of the browsers but to my antivirus program.
> After disabling the antivirus, all the interrupts are coming through
> right away, as expected.
That's pretty useful experience! :)
Thank you for letting us know.
WBR,
Alexey.
>
> Thanks for the help!
>
> Eric
>
> On Fri, Jul 22, 2011 at 4:06 AM, Oleksiy Stashok
> <oleksiy.stashok_at_oracle.com <mailto:oleksiy.stashok_at_oracle.com>> wrote:
>
> Hi Eric,
>
>
> On the Interrupt question, I used netstat on my Windows box as you
> suggested and found that connections did seem to remain after
> closing
> the tab. Nonetheless, I expected that given time the
> connection would
> be severed and thus, eventually, the Interrupt would occur. From
> netstat I found that, yes, eventually the connection was
> dropped on the
> client side. However, the interrupt never came.
>
> Can you pls. create the testcase for us, so we can reproduce this
> locally?
>
>
> I'm also still wondering why, on the Linux box, closing the
> connection
> would sometimes result in two Interrupts called instead of one.
>
> That's not normal as well, testcase? :)
>
>
> On the first issue, when you say "new message" in Gmail, do
> you mean a
> new email, or the chat function?
>
> email.
>
>
> I tried testing both. With the chat,
> I found that I received new messages in all browsers and tabs.
> With
> emails it was far less consistent. Sometimes all browsers and
> tabs
> would be updated, and other times the updates would only reach
> some
> tabs. For one string of tests, I found just one tab in
> Firefox was
> getting all the updates whereas the other tab got none. But
> again,
> this was not consistent, whereas with my test application in
> Glassfish,
> it was extremely consistent in alternating between open tabs.
> With 3
> or more, it would cycle through them one after another, in
> consistent
> order too.
>
> This might be related
> http://stackoverflow.com/questions/985431/max-parallel-http-connections-in-a-browser
>
> Again, it would be good if you can provide some code we can check
> locally.
>
> Thanks.
>
> WBR,
> Alexey.
>
>
> Possibly part of it was that it took my test emails some time
> to arrive
> (in the tens of seconds), which I was watching in a different
> browser
> where I was actively refreshing. I suppose Gmail is also
> using a lot
> more different strategies with various fallbacks and such,
> while my own
> test app is simple and straightforward.
>
> Once again, thank-you for your insight. :)
>
> Cheers,
>
> Eric
>
>
>